A1.1.4 - Adhesion of water to materials that are polar or charged and impacts for organisms

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Last updated 9:35 PM on 10/16/26
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5 Terms

1
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Adhesion

  • Attraction between water molecules and other surfaces, enabling water to cling to them and move against gravity


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Capillary Action

  • The movement of water through narrow spaces, even against gravity

  • Requires both adhesion and cohesion


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Cell Walls Stay Hydrated by Adhesion

  • Water molecules adhere to cellulose in the cell wall ‌through hydrogen bonding.

  • Cohesion between water molecules creates a continuous network of water throughout the ‍cell wall

  • Together, adhesion and cohesion produce capillary ‌action within the cell wall, drawing water through the narrow spaces of the cellulose ‍mesh.

  • As water evaporates from leaf surfaces during transpiration, adhesive forces pull more water ‍from the xylem into the cell walls.


<ul><li><p>Water molecules adhere to cellulose in the cell wall ‌through <strong>hydrogen bonding</strong>.</p></li><li><p>Cohesion between water molecules creates a continuous network of water throughout the ‍cell wall </p></li><li><p>Together, adhesion and cohesion produce <strong>capillary ‌action within the cell wall</strong>, drawing water through the narrow spaces of the cellulose ‍mesh.</p></li><li><p>As water evaporates from leaf surfaces during transpiration, adhesive forces pull more water ‍from the xylem into the cell walls.</p></li></ul><p></p>
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Pleural Cavity

Maintains lungs and prevents them from collapsing

<p>Maintains lungs and prevents them from collapsing</p>
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Diffusion

Movement of particles from a region of high concentration to a region of low concentration